Finding the Fourth Proportional to 327,672.30, 490,878.74 and 200,942.99
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Solution
The fourth proportional to 327,672.30, 490,878.74 and 200,942.99 is: 301,028.32
Step by Step Solution
- Step 1: Write the proportion equation
327,672.30 : 490,878.74 = 200,942.99 : x - Step 2: Convert to fraction form
327,672.30/490,878.74 = 200,942.99/x - Step 3: Cross multiply
327,672.30x = 490,878.74 × 200,942.99 - Step 4: Simplify right side
327,672.30x = 98,638,643,472.59 - Step 5: Solve for x
x = 98,638,643,472.59/327,672.30 - Step 6: Final answer
x = 301,028.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.